摘要
文章研究了一种高功率储氢合金粉,通过ICP测试对合金粉的主要元素稀土和镍、辅助元素钴、锰、铝、铁等成分进行分析,通过XRD测试进行合金粉组织结构分析,通过与氢气反应进行平台压曲线分析;同时进行储氢合金粉粒度和比表面积测试,以及合金电极的电化学特性分析,开发了高功率储氢电极合金。通过电池恒功率测试确定该高功率储氢电极合金可满足镍氢电池对高功率大电流的要求。通过优化负极电极制备工艺,实现镍氢电池的大电流充放电性能。
In this paper,a kind of high power hydrogen storage alloy powder is studied,its components such as main elements of rare earth and nickel as well as auxiliary elements of Co,Mn,Al and Fe are analyzed by inductively coupled plasma(ICP),its texture is analyzed by X-Ray Diffraction(XRD)test and the platform pressure curve is analyzed by reaction with the hydrogen.Moreover,the high power hydrogen storage electrode alloy is developed by carrying out the tests of particle size and specific surface area for hydrogen storage alloy powder as well as analyzing the electrochemical characteristics of alloy electrode.It is determined to meet the requirements of high power and current for Ni-MH battery by constant power test of battery.The charge-discharge performance with high current of Ni-MH battery is realized by optimizing the preparation technology of cathode.
作者
焦伟利
皇甫益
赵鑫
王晨
洪涛
Jiao Wei-li;Huang Fu-yi;Zhao Xin;Wang Chen;Hong Tao(Re Treasure Foryou Medical Technology Co.,Ltd.,Baotou 014010,Inner Mongolia Autonomous Region,China;Inner Mongolia Rare Earth Ovonic High-Power MH-Ni Battery Co.,Ltd.,Baotou 014030,Inner Mongolia Autonomous Region,China;School of Materials and Metallurgy,Inner Mongolia University of Science and Technology,Baotou 014010,Inner Mongolia Autonomous Region,China;Maintenance Service Branch Co.of Northern Rare Earth High-tech Co.,Ltd.,Baotou 014010,Inner Mongolia Autonomous Region,China)
出处
《包钢科技》
2022年第1期39-43,共5页
Science & Technology of Baotou Steel
关键词
镍氢电池
储氢合金
动力
性能指标
Ni-MH battery
hydrogen storage alloy
power
performance index
